<template>
  <div class="dashboard-container">
    <div class="app-container">
      <page-tools :show-before="true">
        <span slot="before">共{{page.total}}条记录</span>
        <template slot="after">
          <el-button size="small" type="warning" @click="$router.push('/import')">导入</el-button>
          <el-button size="small" type="danger" @click="exportData">导出</el-button>
          <el-button
            :disabled="!checkPermission('POINT-USER-UPDATE')"
            size="small"
            type="primary"
            @click="showDialog=true"
          >新增员工</el-button>
        </template>
      </page-tools>
      <!-- 放置表格和分页 -->
      <el-card v-loading="loading">
        <el-table border :data="list">
          <el-table-column label="序号" sortable type="index" />
          <el-table-column label="姓名" sortable prop="username" />
          <el-table-column label="头像" align="center" width="120px">
            <template slot-scope="{row}">
              <img
                v-imagerror="require('@/assets/common/bigUserHeader.png')"
                :src="row.staffPhoto"
                style="border-radius: 50%; width: 100px; height: 100px; padding: 10px"
                @click="showQrCode(row.staffPhoto)"
                alt
              />
            </template>
          </el-table-column>
          <el-table-column label="工号" sortable prop="workNumber" />
          <el-table-column
            label="聘用形式"
            sortable
            prop="formOfEmployment"
            :formatter="formatEmployment"
          />
          <el-table-column label="部门" sortable prop="departmentName" />
          <el-table-column label="入职时间" sortable prop="timeOfEntry">
            <template v-slot="{row}">{{row.timeOfEntry | formatDate}}</template>
          </el-table-column>
          <el-table-column label="账户状态" align="center" sortable prop="enableState">
            <template slot-scope="{ row }">
              <!-- 根据当前状态来确定 是否打开开关 -->
              <el-switch :value="row.enableState === 1" />
            </template>
          </el-table-column>
          <el-table-column label="操作" sortable fixed="right" width="280">
            <template slot-scope="{row}">
              <el-button
                type="text"
                size="small"
                @click="$router.push(`/employees/detail/${row.id}`)"
              >查看</el-button>
              <el-button type="text" size="small">转正</el-button>
              <el-button type="text" size="small">调岗</el-button>
              <el-button type="text" size="small">离职</el-button>
              <el-button type="text" size="small" @click="editRole(row.id)">角色</el-button>
              <el-button type="text" size="small" @click="delEmployee(row.id)">删除</el-button>
            </template>
          </el-table-column>
        </el-table>
        <!-- 分页组件 -->
        <el-row type="flex" justify="center" align="middle" style="height: 60px">
          <el-pagination
            layout="prev, pager, next"
            :page-size="page.size"
            :current-page="page.page"
            :total="page.total"
            @current-change="changePage"
          />
        </el-row>
      </el-card>
    </div>
    <!-- 放置组件弹层 -->
    <!-- sync修饰符，子组件把弹层关闭这里不需要监听 -->
    <add-employee :show-dialog.sync="showDialog"></add-employee>
    <el-dialog title="二维码" :visible.sync="showCodeDialog">
      <el-row type="flex" justify="center">
        <canvas ref="myCanvas"></canvas>
      </el-row>
    </el-dialog>
    <!-- 放置分配组件 -->
    <assign-role ref="assignRole" :show-role-dialog.sync="showRoleDialog" :user-id="userId"></assign-role>
  </div>
</template>

<script>
import { getEmployeeList, delEmployee } from '@/api/employees'
import EmployeeEnum from '@/api/constant/employees' //引入枚举对象

import AddEmployee from './components/add-employee'
import { formatDate } from '@/filters'
import AssignRole from './components/assign-role'

import QrCode from 'qrcode'
export default {
  components: {
    AddEmployee,
    AssignRole
  },
  data() {
    return {
      list: [], //接收数组
      page: {
        page: 1, //点前页码
        size: 10,
        total: 0 //总数
      },
      loading: false, //显示遮罩层
      showDialog: false, //默认是关闭的弹层
      showCodeDialog: false, //显示二维码弹层
      showRoleDialog: false, //显示分配角色的弹层
      userId: null //定义一个userId
    }
  },
  created() {
    this.getEmployeeList()
  },
  methods: {
    async getEmployeeList() {
      this.loading = true
      const { total, rows } = await getEmployeeList(this.page)
      this.page.total = total
      this.list = rows
      this.loading = false
    },
    // newPage最新的页码
    changePage(newPage) {
      this.page.page = newPage
      this.getEmployeeList()
    },
    // 格式化聘用形式
    formatEmployment(row, column, cellValue, index) {
      // 找对应的值
      const obj = EmployeeEnum.hireType.find(item => item.id === cellValue)
      return obj ? obj.value : '未知'
    },
    async delEmployee(id) {
      try {
        await this.$confirm('确定删除该员工？')
        // 点击了确定
        await delEmployee(id)
        this.$message.success('删除员工成功')
      } catch (error) {}
    },
    exportData() {
      const headers = {
        姓名: 'username',
        手机号: 'mobile',
        入职日期: 'timeOfEntry',
        聘用形式: 'formOfEmployment',
        转正日期: 'correctionTime',
        工号: 'workNumber',
        部门: 'departmentName'
      }
      // 导出excel
      import('@/vendor/Export2Excel').then(async excel => {
        //  excel是引入文件的导出对象
        // 导出  header从哪里来
        // data从哪里来
        // 现在没有一个接口获取所有的数据
        // 获取员工的接口 页码 每页条数    100   1 10000
        const { rows } = await getEmployeeList({
          page: 1,
          size: this.page.total
        })
        const data = this.formatJson(headers, rows) // 返回的data就是 要导出的结构
        const multiHeader = [['姓名', '主要信息', '', '', '', '', '部门']]
        const merges = ['A1:A2', 'B1:F1', 'G1:G2']
        excel.export_json_to_excel({
          header: Object.keys(headers),
          data,
          filename: '员工资料表',
          multiHeader, // 复杂表头
          merges // 合并选项
        })
      })
    },
    // 将表头数据和数据进行对应   [{}]  =>   [[]]
    formatJson(headers, rows) {
      return rows.map(item => {
        // item是一个对象  { mobile: 132111,username: '张三'  }
        // ["手机号", "姓名", "入职日期" 。。]
        return Object.keys(headers).map(key => {
          // 需要判断 字段
          if (
            headers[key] === 'timeOfEntry' ||
            headers[key] === 'correctionTime'
          ) {
            // 格式化日期
            return formatDate(item[headers[key]])
          } else if (headers[key] === 'formOfEmployment') {
            const obj = EmployeeEnum.hireType.find(
              obj => obj.id === item[headers[key]]
            )
            return obj ? obj.value : '未知'
          }
          return item[headers[key]]
        })
      })
      // return rows.map(item => Object.keys(headers).map(key => item[headers[key]]))
      // 需要处理时间格式问题
    },
    showQrCode(url) {
      // url存在的时候才弹出
      if (url) {
        this.showCodeDialog = true //数据更新了 但是弹层不会立刻渲染 页面的渲染是异步的
        //  在上次数据更新完毕，页面渲染完毕之后
        this.$nextTick(() => {
          //此时已经有ref的地址
          QrCode.toCanvas(this.$refs.myCanvas, url) //将地址转化二维码
        })
      } else {
        this.$message.warning('该用户还未上传头像')
      }
    },
    async editRole(id) {
      // 弹出层
      this.userId = id //props赋值 并且渲染是异步的
      await this.$refs.assignRole.getUserDetailById(id) //会调用子组件方法 异步方法
      this.showRoleDialog = true
    }
  }
}
</script>

<style>
</style>